Sean Hunkler - 03 Sep 2021 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Role: EVP, Global Operations
Signature: By: /s/ Sandra Garcia Attorney-in-Fact For: Sean Hunkler
Issuer symbol: WDC
Transactions as of: 03 Sep 2021
Net transactions value: -$369,074
Form type: 4
Filing time: 07 Sep 2021, 18:55:25 UTC
Previous filing: 31 Aug 2021
Next filing: 01 Oct 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WDC	Common Stock	Tax liability	$242,201	-3,944	-2.4%	$61.41	157,703	03 Sep 2021	Direct	F1
transaction	WDC	Common Stock	Options Exercise	$0	+112	+0.07%	$0.000000	157,815	04 Sep 2021	Direct	F2
transaction	WDC	Common Stock	Tax liability	$126,873	-2,066	-1.3%	$61.41	155,749	04 Sep 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WDC	Dividend Equivalent Rights	Options Exercise	$0	-113	-7.1%	$0.000000	1,472	04 Sep 2021	Common Stock	113		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
F2	The dividend equivalents were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalents relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent.